**GIVING BRAINLIEST ASAP** Are the following polynomials a function
f(x)=5x^(4)+3x^(2)+6x^(-1)-3
f(x)=(7)/(8)x^(3)+2x^(5)-6x+17
f(x)=5\sqrt(3+4x)
f(x)=(1)/(x^(2))+(1)/(x)-12x^(2)

f(x)=5x^(4)+3x^(2)+6x^(-1)-3:yes

f(x)=(7)/(8)x^(3)+2x^(5)-6x+17:yes

f(x)=5\sqrt(3+4x):No

f(x)=(1)/(x^(2))+(1)/(x)-12x^(2):Yes

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hi,

6x times 4 is 24x and 5 times 4 is 20, so the answer is 24x+20.

hope this and for a little humor i am groot.